
For the whipped cream topping, whip together heavy cream and sweetened condensed milk until it doubles in volume and forms soft peaks. Set aside.
For the blueberry swirl, combine blueberries, water and agave in a blender and blend until smooth. Divide the blueberry puree in the bottom of two glasses.
For the middle milk layer, blend ice, milk, vanilla extract, salt, and sweetened condensed milk in a strong blender. Divide about 2 to 3 Tablespoons of this mixture over the blueberry layer.
For the matcha frappuccino, sift the matcha powder over the remaining milk mixture and blend again until perfectly smooth. Divide evenly into the glasses.
Top with whipped cream and garnish with sifted matcha. Add a straw and enjoy right away.